gvsig-raster / org.gvsig.raster.tools / trunk / org.gvsig.raster.tools / org.gvsig.raster.tools.algorithm / org.gvsig.raster.tools.algorithm.layerdatatype / src / main / java / org / gvsig / raster / tools / algorithm / layerdatatype / LayerDatatypeProcess.java @ 5474
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.tools.algorithm.layerdatatype; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.dataset.BufferParam; |
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import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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import org.gvsig.fmap.dal.coverage.exception.BufferCreationException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.QueryException; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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import org.gvsig.i18n.Messages; |
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import org.gvsig.raster.algorithm.process.DataProcess; |
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import org.gvsig.tools.locator.LocatorException; |
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/**
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* Process to change a <code>RasterDataStore</code> of data type
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*
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* 10/12/2007
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* @author Nacho Brodin nachobrodin@gmail.com
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*/
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public class LayerDatatypeProcess extends DataProcess { |
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public static String RASTER_STORE1 = "RasterStore1"; |
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public static String PATH = "Path"; |
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public static String FILENAME = "FileName"; |
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public static String DATATYPE = "Datatype"; |
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public static String ADJUST_DEC2INT = "AdjustDec2Int"; |
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public static String ADJUST_BIG2SMALL = "AdjustBig2Small"; |
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public static String[] DEC2INT_OPTIONS = new String[]{"Trunk", "Round", "Ceil", "Floor"}; |
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public static String[] BIG2SMALL_OPTIONS = new String[]{"Trunk", "Maxvalue", "NoData"}; |
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private RasterDataStore store = null; |
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private String filename = null; |
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private int datatype = 0; |
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private int dec2int = 0; |
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private int big2smal = 0; |
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private NoData byteNoData = null; |
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private NoData shortNoData = null; |
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private NoData intNoData = null; |
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private NoData floatNoData = null; |
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public static void registerParameters() { |
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registerInputParameter(RASTER_STORE1, RasterDataStore.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL); |
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registerInputParameter(PATH, String.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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registerInputParameter(DATATYPE, Integer.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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registerInputParameter(ADJUST_DEC2INT, Integer.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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registerInputParameter(ADJUST_BIG2SMALL, Integer.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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registerOutputParameter(FILENAME, String.class, LayerDatatypeAlgorithmLibrary.PROCESS_LABEL);
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} |
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public void init() { |
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store = getParam(RASTER_STORE1) != null ? (RasterDataStore)getParam(RASTER_STORE1) : null; |
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filename = getStringParam(PATH); |
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datatype = (Integer)getParam(DATATYPE);
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dec2int = (Integer)getParam(ADJUST_DEC2INT);
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big2smal = (Integer)getParam(ADJUST_BIG2SMALL);
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byteNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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store.getBandCount(), Buffer.TYPE_BYTE);
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shortNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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store.getBandCount(), Buffer.TYPE_SHORT);
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intNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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store.getBandCount(), Buffer.TYPE_INT);
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floatNoData = RasterLocator.getManager().getDataStructFactory().createDefaultNoData( |
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store.getBandCount(), Buffer.TYPE_FLOAT);
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} |
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public void process() throws ProcessInterruptedException { |
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insertLineLog(Messages.getText("layer_datatype"));
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try {
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store = store.newNotTiledDataStore(); |
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if (store == null) |
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throw new LayerDatatypeException("intput_not_valid"); |
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int inDataType = store.getDataType()[0]; |
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BufferParam param = RasterLocator.getManager().getBufferFactory().createBufferParams( |
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(int)store.getWidth(),
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(int)store.getHeight(),
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store.getBandCount(), |
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datatype, |
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true);
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Buffer buf = RasterLocator.getManager().getBufferFactory().createBuffer(param);
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RasterQuery query = RasterLocator.getManager().createQuery(); |
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query.setAllDrawableBands(); |
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query.setAreaOfInterest(); |
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Buffer sourceBuffer = null; |
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try {
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sourceBuffer = store.query(query); |
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} catch (QueryException e) {
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throw new LayerDatatypeException(""); |
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} |
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double v = 0; |
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switch (inDataType) {
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case Buffer.TYPE_BYTE: |
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for (int row = 0; row < buf.getHeight(); row++) { |
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for (int col = 0; col < buf.getWidth(); col++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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writePixelFromByte(row, col, iBand, sourceBuffer.getElemByte(row, col, iBand), buf); |
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} |
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} |
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updatePercent(row, buf.getHeight()); |
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} |
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break;
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case Buffer.TYPE_SHORT: |
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for (int row = 0; row < buf.getHeight(); row++) { |
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for (int col = 0; col < buf.getWidth(); col++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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writePixelFromShort(row, col, iBand, sourceBuffer.getElemShort(row, col, iBand), buf); |
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} |
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} |
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updatePercent(row, buf.getHeight()); |
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} |
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break;
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case Buffer.TYPE_INT: |
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for (int row = 0; row < buf.getHeight(); row++) { |
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for (int col = 0; col < buf.getWidth(); col++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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writePixelFromInt(row, col, iBand, sourceBuffer.getElemInt(row, col, iBand), buf); |
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} |
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} |
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updatePercent(row, buf.getHeight()); |
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} |
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break;
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case Buffer.TYPE_FLOAT: |
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for (int row = 0; row < buf.getHeight(); row++) { |
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for (int col = 0; col < buf.getWidth(); col++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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v = getDecimalValue(sourceBuffer.getElemFloat(row, col, iBand), inDataType); |
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writePixelFromDouble(row, col, iBand, v, buf); |
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} |
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} |
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updatePercent(row, buf.getHeight()); |
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} |
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break;
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case Buffer.TYPE_DOUBLE: |
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for (int row = 0; row < buf.getHeight(); row++) { |
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for (int col = 0; col < buf.getWidth(); col++) { |
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) { |
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v = getDecimalValue(sourceBuffer.getElemDouble(row, col, iBand), inDataType); |
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writePixelFromDouble(row, col, iBand, v, buf); |
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} |
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} |
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updatePercent(row, buf.getHeight()); |
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} |
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break;
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} |
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super.exportRaster(filename, buf, sourceBuffer.getStore().getCellSize(), sourceBuffer
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.getStore().getExtent().getULX(), sourceBuffer.getStore().getExtent().getULY(), |
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store.getProjection()); |
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addOutputValue(FILENAME, filename); |
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} catch (LayerDatatypeException e) {
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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messageBoxError("error_changing_the_datatype", this, e); |
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} catch (LocatorException e) {
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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messageBoxError("error_creating_buffer", this, e); |
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} catch (BufferCreationException e) {
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if (incrementableTask != null) |
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incrementableTask.processFinalize(); |
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messageBoxError("error_creating_buffer", this, e); |
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} |
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} |
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public double getDecimalValue(double value, int inDataType) { |
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if(inDataType == Buffer.TYPE_FLOAT || inDataType == Buffer.TYPE_DOUBLE) { |
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switch (dec2int) {
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case 0:return (double)((long)value); |
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case 1:return Math.round(value); |
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case 2:return Math.ceil(value); |
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case 3:return Math.floor(value); |
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} |
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} |
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return value;
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} |
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private void writePixelFromByte(int row, int col, int band, byte value, Buffer dst) { |
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switch (dst.getDataType()) {
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case Buffer.TYPE_BYTE: dst.setElem(row, col, band, value);break; |
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case Buffer.TYPE_SHORT: dst.setElem(row, col, band, (short)value);break; |
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case Buffer.TYPE_INT: dst.setElem(row, col, band, (int)value);break; |
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case Buffer.TYPE_FLOAT: dst.setElem(row, col, band, (float)value);break; |
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case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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} |
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} |
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private void writePixelFromShort(int row, int col, int band, short value, Buffer dst) { |
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switch (dst.getDataType()) {
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case Buffer.TYPE_BYTE: |
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dst.setElem(row, col, band, (byte)value);
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if(value > Byte.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Byte.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Byte)byteNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_SHORT: dst.setElem(row, col, band, value);break; |
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case Buffer.TYPE_INT: dst.setElem(row, col, band, (int)value);break; |
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case Buffer.TYPE_FLOAT: dst.setElem(row, col, band, (float)value);break; |
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case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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} |
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} |
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private void writePixelFromInt(int row, int col, int band, int value, Buffer dst) { |
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switch (dst.getDataType()) {
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case Buffer.TYPE_BYTE: |
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dst.setElem(row, col, band, (byte)value);
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if(value > Byte.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Byte.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Byte)byteNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_SHORT: |
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dst.setElem(row, col, band, (short)value);
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if(value > Short.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Short.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Short)shortNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_INT: dst.setElem(row, col, band, (int)value);break; |
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case Buffer.TYPE_FLOAT: dst.setElem(row, col, band, (float)value);break; |
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case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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} |
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} |
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private void writePixelFromDouble(int row, int col, int band, double value, Buffer dst) { |
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switch (dst.getDataType()) {
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case Buffer.TYPE_BYTE: |
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dst.setElem(row, col, band, (byte)value);
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if(value > Byte.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Byte.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Byte)byteNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_SHORT: |
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dst.setElem(row, col, band, (short)value);
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if(value > Short.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Short.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Short)shortNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_INT: |
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dst.setElem(row, col, band, (int)value);
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if(value > Integer.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Integer.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Integer)intNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_FLOAT: |
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dst.setElem(row, col, band, (float)value);
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if(value > Float.MAX_VALUE) { |
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switch (big2smal) {
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case 1:dst.setElem(row, col, band, Float.MAX_VALUE);break; |
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case 2:dst.setElem(row, col, band, (Float)floatNoData.getValue());break; |
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} |
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} |
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break;
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case Buffer.TYPE_DOUBLE: dst.setElem(row, col, band, (double)value);break; |
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} |
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} |
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public String getTitle() { |
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return Messages.getText("layer_datatype"); |
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} |
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} |